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Seat back structure for seat for vehicle

A technology for seat backs and vehicles, which is applied to vehicle seats, special positions of vehicles, seat frames, etc., can solve problems such as cost increase and weight increase, and achieve the effect of cost reduction

Inactive Publication Date: 2011-03-23
NHK SPRING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is a problem that the weight increases and the cost also increases when it is made into a strong structure.

Method used

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  • Seat back structure for seat for vehicle
  • Seat back structure for seat for vehicle
  • Seat back structure for seat for vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

[0013] (1) Structure of rear seat backrest

[0014] figure 1 The rear seat backs arranged in the last row are shown for vehicles such as a van and a one-room car. The rear seat backs are composed of a left seat back 10 arranged on the left side of the vehicle body, and a right seat back 20 adjacent to the right side of the left seat back 10 . The left and right seat backs 10 , 20 are split seat backs having the same width and having a boundary portion in contact with each other positioned at the center in the vehicle width direction, and the ratio is 5:5.

[0015] The seat backs 10 and 20 have the same structure, and are formed by covering the seat frame 1 having the frame plate 2 and the frame pipe 3 with a cushioning material 4 made of urethane or the like and covered with an outer covering material. These left and right seat backs 10, 20 are configured such that...

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PUM

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Abstract

A seat back structure reduces shocks from the rear, is simple and light, and has lower production costs. The center headrest stay inserting portions are on each proximate upper portion of each seat back of a half-half divisional type seat, respectively, and headrest stays extend from a center headrest downward are removably inserted in the headrest stay inserting portions, respectively, and the seat backs are connected and restrained by the headrest stays.

Description

technical field [0001] The present invention relates to a seat back structure of a vehicle seat. Background technique [0002] In vehicles such as cars, in the past, people have provided such a seat back structure, that is, when the rearward impact load due to the occupant's inertial force acts on the seat back due to an impact from the rear, the impact energy Absorbed to reduce the impact on the occupants (for example, Japanese Patent Laid-Open No. 2008-105593). [0003] However, in vehicles such as a van and a one-room car, an open luggage room is provided behind the rear seats arranged in the last row. Therefore, in the event of sudden braking due to impact or other reasons during driving, the cargo in the luggage room will fly forward under the action of inertial force and hit the back of the rear seat. It is conceivable that when the cargo hits the rear seat, the rear seat will be deformed to affect the occupant, so the rear seat is made into a solid structure to form...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60N2/42B60N2/68B60N2/48
CPCB60N2205/35B60N2/682B60N2/686B60N2/36B60N2/4221B60N2/4808B60N2/809B60N2/42
Inventor 田中之夫
Owner NHK SPRING CO LTD